C111123313331323113313331323133313331311331311331311221123223332321   >>    C11112331333132311331333132313331333131133131133131122112322333232   <<    C111123313331323113313331323133313331311331311331311221123223332323   >>      C111123313331323113313331323133313331311331311331311221123223332322   >>